@CHARSET "UTF-8";
body{
	margin: 0;
	padding: 0;
	font-family: "微软雅黑";
	text-align: center;
	background-image: url(../images/bg2.gif);
	background-position-y:bottom;
	background-size:100%;
}
.head{
	font-size: 25px;
	font-style: italic;
	margin: 20px 0 10px 0;
}	
.context{
	border-width:5px;
	overflow: hidden;
	font-size: 20px;
	margin-bottom: 20px;
}
.sub{
	display: block;
	width: 300px;
	height:30px;
	box-shadow: 2px 2px 2px 2px #CECECE;
	cursor: pointer;
}